07-07-2016
Mathematics

contestada

9) Let
X-2, x, x+3
be the first 3 terms of a geometric sequence. FInd the value of x..

9 Let X2 x x3 be the first 3 terms of a geometric sequence FInd the value of x class=

Respuesta :

07-07-2016

Hello,

Let's r the ration

We suppose x ≠0

x=r*(x-2)==>r=x/(x-2)

x+3=r*x==> (x+3)/x=x/(x-2)==>(x+3)(x-2)=x²
==>x²+3x-2x-6=x² ==>x-6=0==>x=6

x-2=6-4=4
x=6
x+3=6+3=9
6=4*3/2
9=6*3/2

Ration 3/2
First term: 4

Answer Link

Otras preguntas

one student claims that yogurt is made by lactic acid fermentation, another claimed that yogurt is made by alcaholic fermentation testing for which of the follo

How many protons does each atom of tritium (hydrogen-3) have? 0 1 2 3

Four is no less than the quotient of a number x and 2.1

la formula para calcular el 30% de descuento en una tienda esta dada por la expresion y=0.30X

What cell produces ribosomes? and what cell forms proteins?

Put in order from least to greatest -0.9 -0.09 -0.99

faceti o compunere de 10 randuri haslie cu proverbul hainele face omul varog azutatima

A video club cost $25 to joint. Each video is rented costs 2.50. Tech v represent the number of videos. Identify the independent and variables. Then write a rul

express as a product In y^16

I need help please please